Form 4 for WDFC WD 40 CO

Accepted 2025-10-10 00:00:00 ET · period of report 2025-10-09 · accession 0000105132-25-000047 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2025-10-10	2025-10-09	WDFC	Brass Steven A	Pres, CEO, Dir	A - Grant	—	+11.7K	37.8K	+45%	—

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-10-09	A	A	7,783	—	33,868	D	—	—	(F1) Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.
2	Common	Common Stock	2025-10-09	A	A	3,883	—	37,751	D	—	—	(F2) Represents the vesting of market share units (MSUs) upon certification of market performance achieved. The 3-year performance cliff vesting MSUs were granted on October 10, 2022 under the WD-40 Company 2016 Stock Incentive Plan and will be settled with Issuer's Common Stock on the date provided for in the MSU award agreement. (F3) As of the filing date, the amount reported includes: (i) 14,672 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 3,883 shares of Common Stock to be issued upon settlement of MSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,259 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.